<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On Wed, May 27, 2015 at 11:08 PM, Eric Glen Suter <span dir="ltr"><<a href="mailto:esuter@uga.edu" target="_blank">esuter@uga.edu</a>></span> wrote:<br><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">
<div style="font-size:12pt;color:#000000;background-color:#ffffff;font-family:Calibri,Arial,Helvetica,sans-serif">I've been trying to compare them with some of the work of my predecessor who ran these
same kinds of calculations (on QE version 4.2.1). However, using the same input file and pseudo potentials I find differences in the total energy reported. The differences are on the order of about 1 Rydberg. My predecessor compiled the parallel version of
QE whereas I have been running the serial version. I was wondering if differences of this magnitude are to be expected </div></div></blockquote><div><br></div><div>no<br> <br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div style="font-size:12pt;color:#000000;background-color:#ffffff;font-family:Calibri,Arial,Helvetica,sans-serif">if they signal something might be wrong with
my calculations. <br>
<p></p></div></div></blockquote><div>either the two calculations aren't the same, or one of the two is wrong <br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div style="font-size:12pt;color:#000000;background-color:#ffffff;font-family:Calibri,Arial,Helvetica,sans-serif"><p>If any one might have ideas about how these differences arise<br></p></div></div></blockquote><div>make a "diff" between the two outputs<br><br></div><div>Paolo <br></div></div></div></div>